Production process and production apparatus for polybutylene terephthalate
作者： Shuji Yamaguchi , Norifumi Maeda , Hidekazu Nakamoto , Susumu Harada
DOI:
关键词: Materials science 、 Polybutylene terephthalate 、 Composite material 、 Oligomer 、 Polymerization 、 Dicarboxylic acid 、 Polyester 、 Continuous production
摘要: An apparatus for continuously producing polybutylene terephthalate, which comprises a first reactor reacting an aromatic dicarboxylic acid with glycol, thereby oligomer, second polycondensating the preparing low polymerization product, and third further high molecular weight polyester, where is vertical, cylindrical vessel having plurality of concentrical partitioned reaction compartments therein, each being provided stirring blades heater, outlet volatile matters at upper part vessel. The contributes to efficient continuous production terephthalate good quality.
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